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<div class="header">
  <div class="summary">
<a href="#func-members">函数</a>  </div>
  <div class="headertitle">
<div class="title">snapshot.c 文件参考</div>  </div>
</div><!--header-->
<div class="contents">
<div class="textblock"><code>#include &quot;<a class="el" href="a03629_source.html">precomp.h</a>&quot;</code><br />
</div>
<p><a href="a00857_source.html">浏览源代码.</a></p>
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函数</h2></td></tr>
<tr class="memitem:a69ab51ee72ab28ff78e0a7f2f902825b"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00857.html#a69ab51ee72ab28ff78e0a7f2f902825b">xxxSnapWindow</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd)</td></tr>
<tr class="separator:a69ab51ee72ab28ff78e0a7f2f902825b"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<h2 class="groupheader">函数说明</h2>
<a id="a69ab51ee72ab28ff78e0a7f2f902825b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a69ab51ee72ab28ff78e0a7f2f902825b">&#9670;&nbsp;</a></span>xxxSnapWindow()</h2>

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          <td class="memname">BOOL xxxSnapWindow </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em></td><td>)</td>
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<p class="definition">在文件 <a class="el" href="a00857_source.html">snapshot.c</a> 第 <a class="el" href="a00857_source.html#l00028">28</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;{</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    <a class="code" href="a02889.html">PTHREADINFO</a>    ptiCurrent;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    RECT           rc;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    HDC            hdcScr;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    HDC            hdcMem;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    BOOL           fRet;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    HBITMAP        hbmOld;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    HBITMAP        hbm;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <span class="keywordtype">int</span>            cx;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <span class="keywordtype">int</span>            <a class="code" href="a00716.html#ac7b5fb8555805e7e7c11b30491a324f7">cy</a>;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <span class="keywordtype">int</span>            dx;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <span class="keywordtype">int</span>            dy;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    HANDLE         hPal;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    LPLOGPALETTE   lppal;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <span class="keywordtype">int</span>            palsize;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keywordtype">int</span>            iFixedPaletteEntries;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    BOOL           fSuccess;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <a class="code" href="a02581.html">PWND</a>           pwndT;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <a class="code" href="a01881.html">TL</a>             tlpwndT;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <a class="code" href="a02809.html">PWINDOWSTATION</a> pwinsta;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <a class="code" href="a01881.html">TL</a>             tlpwinsta;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160; </div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment">     * Find the corresponding window.</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keywordflow">if</span> (pwnd == NULL) {</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        <a class="code" href="a00371.html#ae61d954062a9ece52e350e54cad9a23d">RIPERR0</a>(ERROR_INVALID_HANDLE,</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;                <a class="code" href="a00371.html#a41f433389f20db57f042022a662e96de">RIP_WARNING</a>,</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;                <span class="stringliteral">&quot;Invalid window handle \&quot;pwnd\&quot; (NULL) to xxxSnapWindow&quot;</span>);</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    }</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    ptiCurrent = <a class="code" href="a00257.html#a8315d2c807ba18ba9e528c40614b6173">PtiCurrent</a>();</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment">     * If this is a thread of winlogon, don&#39;t do the snapshot.</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordflow">if</span> (GetCurrentProcessId() == <a class="code" href="a03257.html#ad4b0bbbb1f1fce28a4e874ae6fb92262">gpidLogon</a>)</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160; </div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">     * Get the affected windowstation</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    <span class="keywordflow">if</span> (!NT_SUCCESS(<a class="code" href="a00899.html#a71df3543eaf0197b0e7f280be312c854">ReferenceWindowStation</a>(</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;            PsGetCurrentThread(),</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;            NULL,</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;            WINSTA_READSCREEN,</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            &amp;pwinsta,</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;            TRUE)) ||</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;            pwinsta-&gt;<a class="code" href="a02809.html#a4d2f405b1141000eb2af256e0fc8b98b">dwFlags</a> &amp; WSF_NOIO) {</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    }</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160; </div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment">     * If the window is on another windowstation, do nothing</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a6be2d067ba15d4ec8cfc2e87922094f5">head</a>.rpdesk-&gt;rpwinstaParent != pwinsta)</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment">     * Get the parent of any child windows.</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keywordflow">while</span> ((pwnd != NULL) &amp;&amp; TestWF(pwnd, WFCHILD))</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        pwnd = pwnd-&gt;<a class="code" href="a02581.html#a6053af0b243b6737640988eb63081de3">spwndParent</a>;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160; </div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment">     * Lock the windowstation before we leave the critical section</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    ThreadLockWinSta(ptiCurrent, pwinsta, &amp;tlpwinsta);</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment">     * Open the clipboard and empty it.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="comment">     * pwndDesktop is made the owner of the clipboard, instead of the</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="comment">     * currently active window; -- SANKAR -- 20th July, 1989 --</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    pwndT = ptiCurrent-&gt;<a class="code" href="a02889.html#abb1184e0c5805b5ad89b79dcc2bd17c8">rpdesk</a>-&gt;<a class="code" href="a02801.html#a76d4881aa4c15330103e83a80e6b5dc7">pDeskInfo</a>-&gt;<a class="code" href="a02609.html#a68937d60a6f49b7a8431db62b38ea721">spwnd</a>;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    ThreadLockWithPti(ptiCurrent, pwndT, &amp;tlpwndT);</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    fSuccess = <a class="code" href="a00632.html#af45afb29ea50d268f00027f68e2c009e">xxxOpenClipboard</a>(pwndT, NULL);</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    ThreadUnlock(&amp;tlpwndT);</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <span class="keywordflow">if</span> (!fSuccess) {</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        ThreadUnlockWinSta(ptiCurrent, &amp;tlpwinsta);</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    }</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160; </div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <a class="code" href="a00632.html#a227dd60e00264967a6e644252b8098d5">xxxEmptyClipboard</a>(pwinsta);</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="comment">     * Use the whole window and get the entire window&#39;s DC.</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <a class="code" href="a00365.html#adaba75126494f33137e8ceab85dc13fd">_GetWindowRect</a>(pwnd, &amp;rc);</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    hdcScr = <a class="code" href="a00644.html#a5fae5b77e79eae6c3c51799de993d74f">_GetWindowDC</a>(pwnd);</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="comment">     * Only snap what is on the screen.</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    cx = min(rc.right, (LONG)SYSMET(CXSCREEN)) - max(rc.left, 0);</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <a class="code" href="a00716.html#ac7b5fb8555805e7e7c11b30491a324f7">cy</a> = min(rc.bottom, (LONG)SYSMET(CYSCREEN)) - max(rc.top, 0);</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    dx = (rc.left &lt; 0 ? -rc.left : 0);</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    dy = (rc.top &lt; 0 ? -rc.top : 0);</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160; </div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="comment">     * Create the memory DC.</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="keywordflow">if</span> ((hdcMem = GreCreateCompatibleDC(hdcScr)) == NULL)</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        <span class="keywordflow">goto</span> NoMemoryError;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160; </div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="comment">     * Create teh destination bitmap.  If it fails, then attempt</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="comment">     * to create a monochrome bitmap.</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="comment">     * Did we have enough memory?</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <span class="keywordflow">if</span> ((hbm = GreCreateCompatibleBitmap(hdcScr, cx, <a class="code" href="a00716.html#ac7b5fb8555805e7e7c11b30491a324f7">cy</a>)) == NULL) {</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160; </div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        <span class="keywordflow">if</span> ((hbm = GreCreateBitmap(cx, <a class="code" href="a00716.html#ac7b5fb8555805e7e7c11b30491a324f7">cy</a>, 1, 1, NULL)) == NULL) {</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160; </div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;NoMemoryError:</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160; </div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="comment">             * Release the window/client DC.</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;            <a class="code" href="a00644.html#a1ec030500a19f775519fbaf16c15f814">_ReleaseDC</a>(hdcScr);</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160; </div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="comment">             * Display an error message box.</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;            <a class="code" href="a00899.html#a80c56c28f1876d7b3d2c5471d1c54f9d">ClientNoMemoryPopup</a>();</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160; </div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;            fRet = FALSE;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;            <span class="keywordflow">goto</span> SnapExit;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;        }</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    }</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160; </div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="comment">     * Select the bitmap into the memory DC.</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    hbmOld = GreSelectBitmap(hdcMem, hbm);</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160; </div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="comment">     * Snap!!!</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="comment">     * Check the return value because the process taking the snapshot</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="comment">     * may not have access to read the screen.</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    fRet = GreBitBlt(hdcMem, 0, 0, cx, <a class="code" href="a00716.html#ac7b5fb8555805e7e7c11b30491a324f7">cy</a>, hdcScr, dx, dy, SRCCOPY, 0);</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160; </div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="comment">     * Restore the old bitmap into the memory DC.</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    GreSelectBitmap(hdcMem, hbmOld);</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160; </div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="comment">     * If the blt failed, leave now.</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    <span class="keywordflow">if</span> (!fRet)</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        <span class="keywordflow">goto</span> SnapExit;</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160; </div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    <a class="code" href="a00632.html#ac0105313be810417895652f4520f4f26">_SetClipboardData</a>(CF_BITMAP, hbm, FALSE, TRUE);</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160; </div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="comment">     * If this is a palette device, let&#39;s throw the current system palette</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="comment">     * into the clipboard also.  Useful if the user just snapped a window</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="comment">     * containing palette colors...</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="a00020.html#ad760da1dd81d9e84dee607d18edfde39">gpsi</a>-&gt;<a class="code" href="a02513.html#af5b9904727246903b73027a6008559db">fPaletteDisplay</a>) {</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160; </div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;        <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;        <span class="keywordtype">int</span> iPalSize;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160; </div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        palsize = GreGetDeviceCaps(hdcScr, SIZEPALETTE);</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160; </div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="comment">         * Determine the number of system colors.</span></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;        <span class="keywordflow">if</span> (GreGetSystemPaletteUse(hdcScr) == SYSPAL_STATIC)</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;            iFixedPaletteEntries = GreGetDeviceCaps(hdcScr, NUMRESERVED);</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;            iFixedPaletteEntries = 2;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        lppal = (LPLOGPALETTE)UserAllocPoolWithQuota(</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                (LONG)(<span class="keyword">sizeof</span>(LOGPALETTE) + <span class="keyword">sizeof</span>(PALETTEENTRY) * palsize),</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;                TAG_CLIPBOARD);</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160; </div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;        <span class="keywordflow">if</span> (lppal != NULL) {</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;            lppal-&gt;palVersion = 0x300;</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;            lppal-&gt;palNumEntries = (WORD)palsize;</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;        }</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160; </div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;        <span class="keywordflow">if</span> (GreGetSystemPaletteEntries(hdcScr,</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;                                       0,</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;                                       palsize,</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;                                       lppal-&gt;palPalEntry)) {</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160; </div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;            iPalSize = palsize - iFixedPaletteEntries / 2;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160; </div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;            <span class="keywordflow">for</span> (i = iFixedPaletteEntries / 2; i &lt; iPalSize; i++) {</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160; </div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="comment">                 * Any non system palette enteries need to have the NOCOLLAPSE</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="comment">                 * flag set otherwise bitmaps containing different palette</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="comment">                 * indices but same colors get messed up.</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;                lppal-&gt;palPalEntry[i].peFlags = PC_NOCOLLAPSE;</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;            }</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160; </div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;            <span class="keywordflow">if</span> (hPal = GreCreatePalette(lppal))</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;                <a class="code" href="a00632.html#ac0105313be810417895652f4520f4f26">_SetClipboardData</a>(CF_PALETTE, hPal, FALSE, TRUE);</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;        }</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160; </div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;        UserFreePool(lppal);</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    }</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160; </div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    fRet = TRUE;</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160; </div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="comment">     * Release the window/client DC.</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    <a class="code" href="a00644.html#a1ec030500a19f775519fbaf16c15f814">_ReleaseDC</a>(hdcScr);</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160; </div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;SnapExit:</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160; </div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    <a class="code" href="a00632.html#adb86eff45b43742749df3cabd77d63c4">xxxCloseClipboard</a>(pwinsta);</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;    Unlock(&amp;pwinsta-&gt;<a class="code" href="a02809.html#a9c4354a689ffa480349bda398d380ee3">spwndClipOwner</a>);</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160; </div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="comment">     * Delete the memory DC.</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;    <span class="keywordflow">if</span> (hdcMem)</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;        GreDeleteDC(hdcMem);</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160; </div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    ThreadUnlockWinSta(ptiCurrent, &amp;tlpwinsta);</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160; </div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;    <span class="keywordflow">return</span> fRet;</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00644_source.html#l00137">_GetWindowDC()</a>, <a class="el" href="a03752_source.html#l00794">_GetWindowRect()</a>, <a class="el" href="a00644_source.html#l00102">_ReleaseDC()</a>, <a class="el" href="a00632_source.html#l00899">_SetClipboardData()</a>, <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a>, <a class="el" href="a00899.html#a80c56c28f1876d7b3d2c5471d1c54f9d">ClientNoMemoryPopup()</a>, <a class="el" href="a00716_source.html#l00456">cy</a>, <a class="el" href="a00899_source.html#l01758">tagWINDOWSTATION::dwFlags</a>, <a class="el" href="a00365_source.html#l00993">tagSERVERINFO::fPaletteDisplay</a>, <a class="el" href="a03257_source.html#l00183">gpidLogon</a>, <a class="el" href="a00020_source.html#l00039">gpsi</a>, <a class="el" href="a00365_source.html#l01389">tagWND::head</a>, <a class="el" href="a00899_source.html#l01706">tagDESKTOP::pDeskInfo</a>, <a class="el" href="a00263_source.html#l00526">PtiCurrent()</a>, <a class="el" href="a00920_source.html#l00999">ReferenceWindowStation()</a>, <a class="el" href="a00371_source.html#l00029">RIP_WARNING</a>, <a class="el" href="a00371_source.html#l00119">RIPERR0</a>, <a class="el" href="a00899_source.html#l02288">tagTHREADINFO::rpdesk</a>, <a class="el" href="a00365_source.html#l01603">tagDESKTOPINFO::spwnd</a>, <a class="el" href="a00899_source.html#l01770">tagWINDOWSTATION::spwndClipOwner</a>, <a class="el" href="a00365_source.html#l01392">tagWND::spwndParent</a>, <a class="el" href="a00632_source.html#l00480">xxxCloseClipboard()</a>, <a class="el" href="a00632_source.html#l00793">xxxEmptyClipboard()</a> , 以及 <a class="el" href="a00632_source.html#l00113">xxxOpenClipboard()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a03290_source.html#l03275">xxxScanSysQueue()</a>.</p>

</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="aa00899_html_a80c56c28f1876d7b3d2c5471d1c54f9d"><div class="ttname"><a href="a00899.html#a80c56c28f1876d7b3d2c5471d1c54f9d">ClientNoMemoryPopup</a></div><div class="ttdeci">VOID ClientNoMemoryPopup(VOID)</div></div>
<div class="ttc" id="aa00632_html_af45afb29ea50d268f00027f68e2c009e"><div class="ttname"><a href="a00632.html#af45afb29ea50d268f00027f68e2c009e">xxxOpenClipboard</a></div><div class="ttdeci">BOOL xxxOpenClipboard(PWND pwnd, LPBOOL lpfEmptyClient)</div><div class="ttdef"><b>Definition:</b> <a href="a00632_source.html#l00113">clipbrd.c:113</a></div></div>
<div class="ttc" id="aa03257_html_ad4b0bbbb1f1fce28a4e874ae6fb92262"><div class="ttname"><a href="a03257.html#ad4b0bbbb1f1fce28a4e874ae6fb92262">gpidLogon</a></div><div class="ttdeci">HANDLE gpidLogon</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00183">kernel/globals.c:183</a></div></div>
<div class="ttc" id="aa00632_html_adb86eff45b43742749df3cabd77d63c4"><div class="ttname"><a href="a00632.html#adb86eff45b43742749df3cabd77d63c4">xxxCloseClipboard</a></div><div class="ttdeci">BOOL xxxCloseClipboard(PWINDOWSTATION pwinsta)</div><div class="ttdef"><b>Definition:</b> <a href="a00632_source.html#l00480">clipbrd.c:480</a></div></div>
<div class="ttc" id="aa02801_html_a76d4881aa4c15330103e83a80e6b5dc7"><div class="ttname"><a href="a02801.html#a76d4881aa4c15330103e83a80e6b5dc7">tagDESKTOP::pDeskInfo</a></div><div class="ttdeci">PDESKTOPINFO pDeskInfo</div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l01706">userk.h:1706</a></div></div>
<div class="ttc" id="aa02513_html_af5b9904727246903b73027a6008559db"><div class="ttname"><a href="a02513.html#af5b9904727246903b73027a6008559db">tagSERVERINFO::fPaletteDisplay</a></div><div class="ttdeci">BOOL fPaletteDisplay</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l00993">user.h:993</a></div></div>
<div class="ttc" id="aa00257_html_a8315d2c807ba18ba9e528c40614b6173"><div class="ttname"><a href="a00257.html#a8315d2c807ba18ba9e528c40614b6173">PtiCurrent</a></div><div class="ttdeci">PTHREADINFO PtiCurrent(VOID)</div><div class="ttdef"><b>Definition:</b> <a href="a00263_source.html#l00526">winmgrc.c:526</a></div></div>
<div class="ttc" id="aa00371_html_ae61d954062a9ece52e350e54cad9a23d"><div class="ttname"><a href="a00371.html#ae61d954062a9ece52e350e54cad9a23d">RIPERR0</a></div><div class="ttdeci">#define RIPERR0(idErr, flags, szFmt)</div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00119">winerrp.h:119</a></div></div>
<div class="ttc" id="aa02581_html_a6be2d067ba15d4ec8cfc2e87922094f5"><div class="ttname"><a href="a02581.html#a6be2d067ba15d4ec8cfc2e87922094f5">tagWND::head</a></div><div class="ttdeci">THROBJHEAD head</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01389">user.h:1389</a></div></div>
<div class="ttc" id="aa00644_html_a1ec030500a19f775519fbaf16c15f814"><div class="ttname"><a href="a00644.html#a1ec030500a19f775519fbaf16c15f814">_ReleaseDC</a></div><div class="ttdeci">BOOL _ReleaseDC(HDC hdc)</div><div class="ttdef"><b>Definition:</b> <a href="a00644_source.html#l00102">dc.c:102</a></div></div>
<div class="ttc" id="aa02809_html"><div class="ttname"><a href="a02809.html">tagWINDOWSTATION</a></div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l01744">userk.h:1744</a></div></div>
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<div class="ttc" id="aa01881_html"><div class="ttname"><a href="a01881.html">_TL</a></div><div class="ttdef"><b>Definition:</b> <a href="a00257_source.html#l00347">usercli.h:347</a></div></div>
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<div class="ttc" id="aa02581_html_a6053af0b243b6737640988eb63081de3"><div class="ttname"><a href="a02581.html#a6053af0b243b6737640988eb63081de3">tagWND::spwndParent</a></div><div class="ttdeci">struct tagWND * spwndParent</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01392">user.h:1392</a></div></div>
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<div class="ttc" id="aa00899_html_a70b09c3e2b495630f4205d34be505afb"><div class="ttname"><a href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a></div><div class="ttdeci">VOID CheckLock(PVOID pobj)</div></div>
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